ACINUS
acinus
(noun) one of the small sacs or saclike dilations in a compound gland
acinus
(noun) one of the small drupes making up an aggregate or multiple fruit like a blackberry
Source: WordNet® 3.1
Etymology
Noun
acinus (plural acini)
(botany) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc.
(botany) A grape-stone.
(anatomy) One of the granular masses which constitute a racemose or compound gland, as the pancreas; also, one of the saccular recesses in the lobules of a racemose gland.
Source: Wiktionary
Ac"i*nus, n.; pl. Acini. Etym: [L., grape, grapestone.]
1. (Bot.)
(a) One of the small grains or drupelets which make up some kinds of
fruit, as the blackberry, raspberry, etc.
(b) A grapestone.
2. (Anat.)
Definition: One of the granular masses which constitute a racemose or
compound gland, as the pancreas; also, one of the saccular recesses
in the lobules of a racemose gland. Quain.
Source: Webster’s Unabridged Dictionary 1913 Edition